Caffeine, 1000µg/ml in MeOH, 1ml Back Catalog number: 71151 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1313.10-100-IO 1-Fluoronaphthalene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 321-38-0 Price on request 92480 Herbicide Mix #2 - Methyl Derivatives Price on request 1806.12-1G 2-Phenylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 90-43-7 Price on request